Scientists have been doing research into many areas of autism spectrum disorder in the hopes of explaining the doubling of its prevalence rate over the past decade.

Both environmental risk factors and genetic components are areas of intense scrutiny for researchers seeking to understand the root causes of autism.

Host Paul Rokuskie talks with Craig Newschaffer, Professor, Associate Dean for Research, and Director of the A.J. Drexel Autism Institute, about the risk factors for autism spectrum disorder that scientists are working to better define.